Vent Fields

Welcome to the InterRidge Global Database of Active Submarine Hydrothermal Vent Fields (the “InterRidge Vents Database”).
To sort the list of Vent Fields, click on a column header.
To view details for a specific Vent Field, click on the Name ID.
To view the subset of Vent Fields that contain a specific category, click on the category (for example, "active, confirmed" in the "Activity" column).

Vent Field Name ID Activity Tectonic Setting Region Latitude Longitudesort descending Maximum or Single Reported Depth Year and How Discovered
Omuro Hole active, confirmed arc volcano Izu-Bonin Arc 34.5467 139.4417 200 2012 ROV Hyper-Dolphin
Kurose Hole inactive arc volcano Izu-Bonin Arc 33.4000 139.6800 760 1989 inactive; 2009 inactive
Bayonnaise Knoll caldera active, inferred back-arc spreading center Izu-Bonin back-arc 31.9667 139.7333 900 2003 temperature anomalies, but camera survey observed inactive vent deposits
Myojin Knoll active, confirmed arc volcano Izu-Bonin Arc 32.1033 139.8683 1360 1996 submersible Shinkai 2000
Sumisu Rift active, inferred back-arc spreading center Izu-Bonin back-arc 31.1000 139.8917 1600 1987 submersible Alvin inactive chimneys only
Myojinsho Caldera active, inferred arc volcano Izu-Bonin Arc 31.8833 139.9500 1110 1988 deposits only; 2005 plume only
Sumisu Caldera active, confirmed arc volcano Izu-Bonin Arc 31.4667 140.0667 690 1998 submersible Shinkai 2000
Shinkurose Bank inactive arc volcano Izu-Bonin Arc 33.5667 140.1667 200 1992 or earlier submersible Shinkai 2000
Mokuyo Seamount active, confirmed arc volcano Izu-Bonin Arc 28.3200 140.5800 1200 1990 submersible Shinkai 2000
Suiyo Seamount active, confirmed arc volcano Izu-Bonin Arc 28.5750 140.6417 1380 1991 submersible Shinkai 2000
Doyo Seamount active, confirmed arc volcano Izu-Bonin Arc 27.6833 140.8167 520 1990 submersible Shinkai 2000
Nishinoshima Island active, inferred arc volcano Izu-Bonin Arc 27.2367 140.8783 5 1975 SCUBA
Kaikata Seamount active, confirmed arc volcano Izu-Bonin Arc 26.7000 141.0833 930 1988 submersible Shinkai 2000; 1985 dredge only
Minami-Hiyoshi submarine volcano active, confirmed arc volcano Mariana Arc 23.4970 141.9400 80 2005 ROV HyperDolphin
Nikko volcano active, confirmed arc volcano Mariana Arc 23.0833 142.3333 600 1992 submersible Shinkai 6500; 1979 first observed discolored water above the seamount
W Syoyo active, inferred arc volcano Mariana Arc 22.5080 142.5330 2150 2003 plume only
SW Syoyo active, inferred arc volcano Mariana Arc 22.3870 142.7620 1750 2003 plume only
Fukujin volcano active, inferred arc volcano Mariana Arc 21.9300 143.4700 1100 1987 deposits only
Mariana Trough, plume 2 active, inferred back-arc spreading center Mariana Trough 12.7610 143.4730 2950 2003 plume only
TOTO Caldera active, confirmed arc volcano Mariana Arc 12.7167 143.5333 2960 2000 deep-tow camera (later, same year - ROV Kaiko); 1998 or earlier hydrothermal deposits dredged; 1998 plume only
Kasuga 3 Seamount active, confirmed arc volcano Mariana Arc 21.3833 143.6000 1140 1987 submersible Alvin
Kasuga 2 Seamount active, confirmed arc volcano Mariana Arc 21.6000 143.6167 500 1987 submersible Alvin
Snail active, confirmed back-arc spreading center Mariana Trough 12.9533 143.6200 2880 2003 ROV Jason II; 2003 plume only
Pika active, confirmed back-arc spreading center Mariana Trough 12.9183 143.6483 2990 2003 submersible Shinkai 6500; 2003 plume only
13 N Ridge Site active, confirmed back-arc spreading center Mariana Trough 13.0987 143.6886 3036 2000 deep-tow camera (later, same year - ROV Kaiko)
Kasuga 1 Seamount inactive arc volcano Mariana Arc 21.7650 143.7100 600 2003 no plume detected
Forecast active, confirmed arc volcano Mariana Arc 13.4000 143.9166 1470 1992 submersible Shinkai 6500
Seamount X active, confirmed arc volcano Mariana Arc 13.2500 144.0200 1450 1994 or earlier submersible Shinkai 6500
Northwest Eifuku active, confirmed arc volcano Mariana Arc 21.4850 144.0430 1604 2004 ROV ROPOS; 2003 plume only
Mariana Trough, 14.5 N active, inferred back-arc spreading center Mariana Trough 14.4870 144.0940 4120 2015 plume only

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